diff --git a/src/SecExp/js/secExp.js b/src/SecExp/js/secExp.js
index 69078b46787733172bd3b3011136b503e00ec44a..b88d01b10aea9135530df23ef1ee82ce5bf28c7e 100644
--- a/src/SecExp/js/secExp.js
+++ b/src/SecExp/js/secExp.js
@@ -361,13 +361,13 @@ App.SecExp.battle = (function() {
 		let cost; const baseBribePerAttacker = 5;
 		if (V.week <= 30) {
 			cost = 5000 + baseBribePerAttacker * V.attackTroops;
-		} else if (V.week <= 30) {
+		} else if (V.week <= 40) {
 			cost = 10000 + baseBribePerAttacker * V.attackTroops;
-		} else if (V.week <= 30) {
+		} else if (V.week <= 50) {
 			cost = 15000 + baseBribePerAttacker * V.attackTroops;
-		} else if (V.week <= 30) {
+		} else if (V.week <= 60) {
 			cost = 20000 + baseBribePerAttacker * V.attackTroops;
-		} else if (V.week <= 30) {
+		} else if (V.week <= 70) {
 			cost = 25000 + baseBribePerAttacker * V.attackTroops;
 		}
 		if (V.majorBattle > 0) {